The Twelve Constellations, Please Choose Your Safe House

Fu Li took a southbound train to find her boyfriend, but in the middle of the night, the train suddenly stopped. The conductor announced that the tracks had disappeared. Outside the window was a world of white snow, and the temperature inside the train plummeted to minus 40 degrees Celsius. The passengers panicked in chaos. A horde of ice crystal monsters charged over, easily tearing through the train's metal shell and crunching through human bones. The carriage became a hell on earth. Fu Li was chased by a monster into the restroom. In her moment of despair, she felt the fire extinguisher... After the monster died, it transformed into a mask that fell onto Fu Li. Ding—a prompt appeared...